Page 25 - Agronomy-Soil.Sci-Horticulture objective AFO

c. Increment in soil nutrients through addition and
decomposition of
litterfall

d. More efficient recycling of nutrients by deep-rooted trees on the
site.

e. Increment in the output of food, fuelwood, fodder, fertilizer

ANS:- e. Increment in the output of food, fuelwood, fodder,

fertilizer

89. Which tillage is used in which no soil particles are disturbed:

IBPS AFO Mains 2017)

a. Minimum tillage

b. Stubble mulching
c. Zero tillage

d. Both a and c
e. Conventional tillage

ANS:- d. Both a and c

90. There are different methods of irrigation. The field is divided

into smaller unit areas so that each has a nearby level surface.
Which of the following represents this method of irrigation? IBPS

AFO Mains 2017)

a. Border Irrigation

b. Furrow irrigation
c. Drip Irrigation
d. Surge irrigation

e. Check basin irrigation

ANS:- e. Check basin irrigation

91. In which cropping method, two or more crops are grown
simultaneously during the part of the life of each i.e. second crop

is planted after the first crop has reached its reproductive stage of
growth: IBPS AFO Mains 2017)

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